Side by side

Tissot PRX UFO Robot Grendizer 50th AnniversaryvsTornek-Rayville Blakjak 12-hr GMT

The numbers, the dial colors, the calibers — laid out so you can stop flipping between tabs.

PRX UFO Robot Grendizer 50th Anniversary
TissotPRX UFO Robot Grendizer 50th Anniversary
MSRP $1,100
Blakjak 12-hr GMT
Tornek-RayvilleBlakjak 12-hr GMT
MSRP $895

At a glance

11 of 29 specs differ
Diameter
PRX UFO Robot Grendizer 50th Anniversary40mm
Blakjak 12-hr GMT42.5mm
Power Reserve
PRX UFO Robot Grendizer 50th Anniversary80h
Blakjak 12-hr GMT42h
Water Resistance
PRX UFO Robot Grendizer 50th Anniversary100m
Blakjak 12-hr GMT200m
MSRP
PRX UFO Robot Grendizer 50th Anniversary$1,100
Blakjak 12-hr GMT$895

Full specifications

Case

6 specs
Category
Dress
Diver
Diameter
40mm
42.5mm
Thickness
10.93mm
13.2mm
Lug-to-Lug
39.5mm
49mm
Lug Width
12mm
22mm
Water Resistance
100m
200m

Crystal & Dial

2 specs
Indices
Indexes
Applied
Lume
Super-LumiNova ®
Superluminova

Movement

2 specs
Caliber
Powermatic 80
SII NH36
Power Reserve
80h
42h

Pricing

1 specs
MSRP
$1,100
$895

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What people say

Owners + reviewers, side by side

Synthesized for each watch independently from owner discussions, enthusiast forums, written reviews, and video reviewers.

Tissot PRX UFO Robot Grendizer 50th Anniversary

The Tissot PRX UFO Robot Grendizer 50th Anniversary is praised for its tasteful integration of anime elements onto the PRX design, featuring an engraved Grendizer bust on a sunburst blue dial with Super-Luminova, and is the first 40mm PRX to omit the date. Owners widely report huge demand, with all 1975 units selling out quickly. The packaging and watch box are described as "dope" and "insane," with one commenter stating the packing alone is "worth the buy." The watch retains the familiar 40mm case, Powermatic 80 movement with 80-hour power reserve, and integrated bracelet. Some find the Grendizer dial less appealing than the standard waffle dial, with one owner calling it "childish," while another considers it "the best PRX." The Grendizer graphic is less prominent in person than in photos, and the watch has a ghost date position. The Tissot PRX UFO Robot Grendizer 50th Anniversary retails for US$825 / CHF 795.

Tornek-Rayville Blakjak 12-hr GMT

The Tornek-Rayville Blakjak 12-hr GMT is a 42.5mm stainless steel watch featuring a DLC-coated bezel, sapphire crystal, and a matte black dial with 12- and 24-hour scales. It is powered by a Seiko SII NH36 automatic movement, offering a 41-hour power reserve, and boasts 200 meters of water resistance. The dial includes a day/date complication and Super-LumiNova BGW9 lume. Overall, owners and reviewers highlight its robust build and functional military-inspired design as key strengths.

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